Nature And Plants Flashcards
(24 cards)
Where do Conkers come from?
Horse chestnut tree
What are conkers?
The seeds that come from horse chestnut tree - grow in spiky green cases
What does evergreen mean?
When trees stay green throughout all seasons - pine
What does deciduous mean?
When trees have leaves that fall off during autumn and are completely off by winter
How many wings does a mosquito have?
2 - and they have 6 legs
What is the largest internal organ?
Liver
What is the largest organ?
The skin
What is an insect?
A creature with 6 legs
Has a hard outer covering called an exoskeleton
Body is divided into head, thorax, and abdomen
What is the combine harvester?
Harvester that goes across fields and head and threshes and cleans grain - using wheels, sieves etc, does it automatically so people don’t have to do it
It cuts and collects crops when they are ready for harvesting- separating the parts of the crop that can be eaten by people from the parts that can’t
Wheat barely and rye
What is an amphibian?
A cold blooded vertebrate animal, including frogs, roads, newts
They live in water or on land - 2 lives
Webbed feet
Breath using gills in water
Have lungs and legs to live on land
They are slimey - stay near water go stay slimey, they don’t drink water, it is absorbed through their skin. Skin needs to stay moist
All come from eggs
What is a vertebrate?
An animal with a backbone or a spinal column in their body
Groups include: fish, mammals, amphibians, reptiles and birds
What are reptiles?
Dry scaly skin, lay soft eggs on land
Vertebrate
Snakes lizards crocodiles turtles and tortoises
Can’t feed babies milk as don’t have the glands
What are mammals?
Warm blooded
Have hair or fur
Females give milk to their young to feed tjem, and normally birth live young
What is an invertebrate?
They don’t have a backbone
Soft body like worm or jellyfish or hard outer casing covering their body like spiders and crabs
What is a fish?
The presence of gills throughout their life span
Living in water
Cold blooded
What are birds?
Vertebrates
Feathers
Have bills / beaks, are endothermic (warm blooded - absorbing heat) and produce large eggs
What does cold blooded mean?
Body temperature adapts to the temperature of the places the species is living
Body temperature changes, if 60 degrees outside their body will be
What is warm blooded?
No matter what the temperature is outside, our bodies always stay the same
Why do amphibians skin need to stay moist?
Because they don’t drink water, it is absorbed through their skin
What does metamorphosis mean?
Change into something else as time goes on
When amphibians born, look like fish with tails, then they become tadpoles with 2 legs, tadpole develop 2 more legs and a tail
Finally become a frog
What amphibian loses their tail in adulthood?
Frogs and toads
What are salamanders and newts?
They look like lizards but without scales
If they lose a limb, they can grow it back
What are the 5 oceans?
Pacific Atlantic Indian Southern Artic
How long do butterfly’s live?
About a month - longest is 13 months
Start as a caterpillar